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Data Structures & AlgorithmsComplexity analysis up to graphs and DP.Operating SystemsProcesses, scheduling, memory and concurrency.Database Management SystemsRelational modelling, transactions and indexing.Computer NetworksFrom wires and radio waves up to the web.

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Database Management Systems

Foundations of DBMS6

Relational Model, Algebra & Calculus6

Integrity Constraints & Normal Forms6

File Organization & Indexing7

Transactions & Concurrency Control9

Query Processing, Optimization & Distributed DBs5

Query processing and join algorithms
Query optimization and execution plans
Distributed databases: fragmentation and replication
Two-phase commit and distributed transactions
The CAP theorem and distributed consistency trade-offs

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Database Management Systems

Foundations of DBMS6

Relational Model, Algebra & Calculus6

Integrity Constraints & Normal Forms6

File Organization & Indexing7

Transactions & Concurrency Control9

Query Processing, Optimization & Distributed DBs5

Query processing and join algorithms
Query optimization and execution plans
Distributed databases: fragmentation and replication
Two-phase commit and distributed transactions
The CAP theorem and distributed consistency trade-offs

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Distributed databases: fragmentation and replication

Why databases get split across multiple machines, horizontal/vertical fragmentation, replication strategies, and the trade-offs each introduces.

9 min readUpdated 2026-09-04dbmsdistributed-databasesfragmentationreplication